1. Preface of the guest editors

   • Ferdinand Chovanec
   • Olga Nánásiová
   • Alexander Šostak

   Editorial 11 August 2009 Pages: 1025 - 1026

2. Conditional states and independence in D-posets

   • Chovanec Ferdinand
   • Drobná Eva
   • Nánásiová Oľga

   Focus 19 August 2009 Pages: 1027 - 1034

3. Erratum to: Conditional states and independence in D-posets

   • Ferdinand Chovanec
   • Eva Drobná
   • Oľga Nánásiová

   Erratum 17 October 2009 Pages: 1035 - 1035

4. Properties of \(\text{max-}*\) fuzzy relation equations

   • Józef Drewniak
   • Zofia Matusiewicz

   Focus 14 August 2009 Pages: 1037 - 1041

5. On another view of an inverse of an interval matrix

   • Julija Lebedinska

   Focus 01 August 2009 Pages: 1043 - 1046

6. Maps on a quantum logic

   • Oľga Nánásiová
   • Ľubica Valášková

   Focus 27 August 2009 Pages: 1047 - 1052

7. Convex combinations of strict t-norms

   • Milan Petrík

   Focus 01 August 2009 Pages: 1053 - 1057

8. Variable-basis topological systems versus variable-basis topological spaces

   • Sergey A. Solovyov

   Focus 08 August 2009 Pages: 1059 - 1068

   

9. The novel aggregation function-based neuron models in complex domain

   • Bipin Kumar Tripathi
   • Prem K. Kalra

   Original Paper 13 October 2009 Pages: 1069 - 1081

   

10. A goal programming approach to group decision-making with three formats of incomplete preference relations

    • Zhi-Ping Fan
    • Yao Zhang

    Original Paper 01 October 2009 Pages: 1083 - 1090

    

11. Algorithm::Evolutionary, a flexible Perl module for evolutionary computation

    • Juan Julián Merelo Guervós
    • Pedro A. Castillo
    • Enrique Alba

    Original Paper 01 October 2009 Pages: 1091 - 1109

    

12. 0-homogeneous effect algebras

    • Gejza Jenča

    Original Paper 30 September 2009 Pages: 1111 - 1116

    

13. Evaluating a local genetic algorithm as context-independent local search operator for metaheuristics

    • Carlos García-Martínez
    • Manuel Lozano

    Original Paper 08 October 2009 Pages: 1117 - 1139